Finding the Third Proportional to 12,004.31 and 16,061.91

Step by Step Solution

1. Step 1: Write the proportion equation
   12,004.31 : 16,061.91 = 16,061.91 : x
2. Step 2: Convert to fraction form
   12,004.31/16,061.91 = 16,061.91/x
3. Step 3: Cross multiply
   12,004.31x = 16,061.91 × 16,061.91
4. Step 4: Simplify right side
   12,004.31x = 257,984,832.38
5. Step 5: Solve for x
   x = 257,984,832.38/12,004.31
6. Step 6: Final answer
   x = 21,491.01